Finding the Fourth Proportional to 1,014,603.98, 1,521,918.72 and 304,590.78

Step by Step Solution

1. Step 1: Write the proportion equation
   1,014,603.98 : 1,521,918.72 = 304,590.78 : x
2. Step 2: Convert to fraction form
   1,014,603.98/1,521,918.72 = 304,590.78/x
3. Step 3: Cross multiply
   1,014,603.98x = 1,521,918.72 × 304,590.78
4. Step 4: Simplify right side
   1,014,603.98x = 463,562,410,021.40
5. Step 5: Solve for x
   x = 463,562,410,021.40/1,014,603.98
6. Step 6: Final answer
   x = 456,890.00